Human beings, each considered as a single actor within society
  • Dawkins, Richard - British zoologist, author of The Selfish Gene
  • Demento, Dr. - Radio DJ, hosts two-hours of "mad music and crazy comedy"
  • De Soto, Hernando - Economist, founder of Instituto Libertad y Democracia
  • DiLorenzo, Thomas J. - Professor of economics and author
  • Directors and Producers - Film, TV and stage directors, producers and other crew
  • Dixon, Michael - Management consultant, national chair of the U.S. Libertarian Party (2004- )
  • Dooling, Richard - American novelist, co-writer of Stephen King's "Kingdom Hospital" TV miniseries
  • Douglass, Frederick - 19th century American abolitionist, known for his autobiography as a slave
  • Downs, Hugh - Past host of the ABC News "20/20" newsmagazine, radio commentator for "Perspectives"
  • Drolet, Leon - State representative in the Michigan House of Representatives
  • Drudge, Matt - Pioneer of Internet journalism, author of the "Drudge Report" news website
  • Dyson, Esther - Editor at large at CNET Networks, editor of technology newsletter Release 1.0